Glossary - M-O
Macroclimate – The overall climate of a particular region.
Maximum temperature – The warmest temperature that germination occurs for seed of a particular vegetable.
Microclimate – The specific environmental conditions of your garden site.
Micronutrients – Plant nutrients that are needed in very small quantities.
Milk phase – Stage of development when the juice of the kernels on sweet corn ears appears milky.
Minimum temperature – Coolest temperature that seed germination or growth occurs for a particular vegetable.
Mixed fertilizers – Fertilizers that ontain the major nutrients (nitrogen, phosphorus and potassium).
Mulch – A layer of material covering the soil surface to exclude sunlight.
Muskmelon – A melon that has a musky aroma and salmon to orange colored flesh when mature. It has a netted rind with deep sutures.
Mycelium – The network or mass of hyphae formed by fungi.
Natural mulches – Mulches made from natural materials such as compost or bark.
Nitrate – The form of nitrogen that plants use. It is easily lost through leaching.
Noxious weed – Weeds that government agencies want to prevent from establishing in a particular area.
Nurse plants – Plants that provide factors or serve as breeding grounds for beneficial insects, increasing populations of beneficial insects.
Open-pollinated cultivars – Plants that are left to become pollinated on their own.
Optimum temperature – The temperature at which the greatest or most rapid seed germination occurs for a particular vegetable.
Oral exposure – Pesticide is ingested through a person’s mouth.
Organic matter – Decaying plant, microbe and animal remains.
Organic pesticides – A pesticide made from a natural product that has undergone only a little processing.
Over mulching – Applying too much mulch.
Oxygen starvation – Roots cannot get the oxygen they need.